package com.jar.exercise.设计模式.观察者模式;

public class Main {
    public static void main(String[] args) {
        Subject subject = new Subject();
        new OctalObserver(subject);
        new BinaryObserver(subject);
        System.out.println("First state change: 15");

        subject.setState(15);
        System.out.println("Second state change: 10");
        subject.setState(10);

    }
}
